You are looking for a brand new, high-quality groove, with grooving blade that gouges and grooves guide in your leather to sew easily and cleanly, almost any distance from the edge you want. The double bolts make an adjustable and removable spacer arm that provide the extra experience regular and free of hand.
It is ideal to give the sewn hand or leather lock sewn a recessed look, making the project surface smooth. Blade width: #0-1.2mm, #11.5mm. Main feature: edge seam groove. Groover with 3 blades (1.2mm + 1.5mm + 2.0mm).